The sdk team has been producing monthly web casts covering various topics related to extending Visual Studio.  These videos are mostly targeting users that are starting to extend VS.  They serve as walkthroughs to get your projects started.  You can access these videos from this web site:

http://msdn2.microsoft.com/en-us/vstudio/aa700829.aspx

This month, we will be showing how to get started with custom editors.
 

Have a look, no download is necessary.  Comments are always welcome